CVE-2015-6926 OXID eShop user impersonation vulnerability

High 7.5 Published Updated

Remote attackers can impersonate users in OXID eShop by exploiting a flaw in OpenID Single Sign-On authentication token validation.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
Available

What is CVE-2015-6926?

CVE-2015-6926 is a high-severity authentication bypass vulnerability in n/a, published on 19 Jan 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The OpenID Single Sign-On authentication functionality in OXID eShop before 4.5.0 allows remote attackers to impersonate users via the email address in a crafted authentication token.

Weakness: CWE-287

Which versions are affected by CVE-2015-6926?

2 open source packages ship an affected version, including oxid-esales/oxideshop-ce. It affects 1 product.

PackageAffectedFixed in
oxid-esales/oxideshop-ce PackagistAll versions4.5.0
oxid-esales/oxideshop-ce PackagistAll versions4.5.0

Products include Oxid-Esales Eshop.

How do I fix CVE-2015-6926?

Upgrade oxid-esales/oxideshop-ce to 4.5.0 or later.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2015-6926 being exploited?

There is no known exploitation of CVE-2015-6926 in the wild and no public exploit code.

Sources

Also known as GHSA-4c39-hj99-5h2r.

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